xworm | 26eb0d93904680fef2d4df49b9d55a6e54f8b341a888bb6bec2fec1e711e9536

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
16-11-2024 05:39

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General

Target

injector.exe
Size

36KB
MD5

1d9727f02bd353afc1fedee98e4acfbb
SHA1

2263f809ead639430a130976ea4722aacb3e1362
SHA256

26eb0d93904680fef2d4df49b9d55a6e54f8b341a888bb6bec2fec1e711e9536
SHA512

62390fc747f737a15879a521f68827ab73dd26e1ee08837f3eaad542dc435703f98552b187aa19c760dc3a12c1a4d183c4d5450e4458c1a1111f131fd3de97cc
SSDEEP

768:F2C78uvbhLyScu6JBbTZ6VFyc9PZO/h7AX:Ft78utLySuJBbTZwF39PZO/KX

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

six-usb.gl.at.ply.gg:49722

Mutex

TcBEJUp0a8DkShx2

Attributes

Install_directory
%AppData%
install_file
System User.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2748-1-0x0000000000B20000-0x0000000000B30000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System User.lnk	injector.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System User.lnk	injector.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000\Software\Microsoft\Windows\CurrentVersion\Run\System User = "C:\\Users\\Admin\\AppData\\Roaming\\System User.exe"	injector.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4528	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2520	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	injector.exe
Token: SeDebugPrivilege	2748	injector.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2520	2748	injector.exe	77
PID 2748 wrote to memory of 2520	2748	injector.exe	77
PID 2748 wrote to memory of 1240	2748	injector.exe	80
PID 2748 wrote to memory of 1240	2748	injector.exe	80
PID 2748 wrote to memory of 2028	2748	injector.exe	82
PID 2748 wrote to memory of 2028	2748	injector.exe	82
PID 2028 wrote to memory of 4528	2028	cmd.exe	84
PID 2028 wrote to memory of 4528	2028	cmd.exe	84

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\injector.exe
"C:\Users\Admin\AppData\Local\Temp\injector.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "System User" /tr "C:\Users\Admin\AppData\Roaming\System User.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2520
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "System User"
  2⤵
  PID:1240
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB853.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB853.tmp.bat

Filesize
160B

MD5
7bc62de8dce46f5d5f02f11aef745233

SHA1
6acb7ae45b4ec834c14663301e95666927feb945

SHA256
3196469d681b0a08b1474f0eb1858776957d456662e1e976f102b1be4d09d7f3

SHA512
55a5ffecbcd76c81b92dab4d4ade8b5e47e154e935c93045687b4aef6f6e3282c839fe171e28d528276954485be7f53319ac416acade5304b6ce9f38ae1b0ce0

Download Submit
memory/2748-0-0x00007FFC76EA3000-0x00007FFC76EA5000-memory.dmp

Filesize
8KB

Download
memory/2748-1-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2748-6-0x00007FFC76EA0000-0x00007FFC77962000-memory.dmp

Filesize
10.8MB

Download
memory/2748-7-0x00007FFC76EA3000-0x00007FFC76EA5000-memory.dmp

Filesize
8KB

Download
memory/2748-8-0x00007FFC76EA0000-0x00007FFC77962000-memory.dmp

Filesize
10.8MB

Download
memory/2748-15-0x00007FFC76EA0000-0x00007FFC77962000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads